SATURATION OF THE 2.71-MU-M LASER OUTPUT IN ERBIUM-DOPED ZBLAN FIBERS

被引:46
作者
BEDO, S
POLLNAU, M
LUTHY, W
WEBER, HP
机构
[1] Institute of Applied Physics, University of Bern, CH-3012 Bern
关键词
Fluorescence - Laser beams - Laser modes - Laser pulses - Light emission - Pumping (laser);
D O I
10.1016/0030-4018(95)00040-F
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The saturation of the 2.71 mu m laser output power has been investigated in an erbium doped ZBLAN single-mode fiber with an Er3+ concentration of 5000 ppm mol. The bleaching of the ground state, the absorption coefficient at the pump wavelength and the fluorescence intensities over a wide wavelength range have been measured simultaneously during laser emission. In a computer simulation the rate equation system of the Er3+ system in ZBLAN fibers has been analyzed. The saturation of the 2.71 mu m laser output is explained by simultaneous lasing at 850 nm.
引用
收藏
页码:81 / 86
页数:6
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